xref: /aosp_15_r20/external/mesa3d/src/amd/vulkan/radv_instance.c (revision 6104692788411f58d303aa86923a9ff6ecaded22)
1 /*
2  * Copyright © 2016 Red Hat.
3  * Copyright © 2016 Bas Nieuwenhuizen
4  *
5  * based in part on anv driver which is:
6  * Copyright © 2015 Intel Corporation
7  *
8  * SPDX-License-Identifier: MIT
9  */
10 
11 #ifdef HAVE_VALGRIND
12 #include <memcheck.h>
13 #include <valgrind.h>
14 #define VG(x) x
15 #else
16 #define VG(x) ((void)0)
17 #endif
18 
19 #include "radv_instance.h"
20 #include "radv_debug.h"
21 #include "radv_entrypoints.h"
22 #include "radv_wsi.h"
23 
24 #include "util/driconf.h"
25 
26 #include "vk_instance.h"
27 #include "vk_log.h"
28 #include "vk_util.h"
29 
30 static const struct debug_control radv_debug_options[] = {{"nofastclears", RADV_DEBUG_NO_FAST_CLEARS},
31                                                           {"nodcc", RADV_DEBUG_NO_DCC},
32                                                           {"shaders", RADV_DEBUG_DUMP_SHADERS},
33                                                           {"nocache", RADV_DEBUG_NO_CACHE},
34                                                           {"shaderstats", RADV_DEBUG_DUMP_SHADER_STATS},
35                                                           {"nohiz", RADV_DEBUG_NO_HIZ},
36                                                           {"nocompute", RADV_DEBUG_NO_COMPUTE_QUEUE},
37                                                           {"allbos", RADV_DEBUG_ALL_BOS},
38                                                           {"noibs", RADV_DEBUG_NO_IBS},
39                                                           {"spirv", RADV_DEBUG_DUMP_SPIRV},
40                                                           {"zerovram", RADV_DEBUG_ZERO_VRAM},
41                                                           {"syncshaders", RADV_DEBUG_SYNC_SHADERS},
42                                                           {"preoptir", RADV_DEBUG_PREOPTIR},
43                                                           {"nodynamicbounds", RADV_DEBUG_NO_DYNAMIC_BOUNDS},
44                                                           {"info", RADV_DEBUG_INFO},
45                                                           {"startup", RADV_DEBUG_STARTUP},
46                                                           {"checkir", RADV_DEBUG_CHECKIR},
47                                                           {"nobinning", RADV_DEBUG_NOBINNING},
48                                                           {"nongg", RADV_DEBUG_NO_NGG},
49                                                           {"metashaders", RADV_DEBUG_DUMP_META_SHADERS},
50                                                           {"llvm", RADV_DEBUG_LLVM},
51                                                           {"forcecompress", RADV_DEBUG_FORCE_COMPRESS},
52                                                           {"hang", RADV_DEBUG_HANG},
53                                                           {"img", RADV_DEBUG_IMG},
54                                                           {"noumr", RADV_DEBUG_NO_UMR},
55                                                           {"invariantgeom", RADV_DEBUG_INVARIANT_GEOM},
56                                                           {"splitfma", RADV_DEBUG_SPLIT_FMA},
57                                                           {"nodisplaydcc", RADV_DEBUG_NO_DISPLAY_DCC},
58                                                           {"notccompatcmask", RADV_DEBUG_NO_TC_COMPAT_CMASK},
59                                                           {"novrsflatshading", RADV_DEBUG_NO_VRS_FLAT_SHADING},
60                                                           {"noatocdithering", RADV_DEBUG_NO_ATOC_DITHERING},
61                                                           {"nonggc", RADV_DEBUG_NO_NGGC},
62                                                           {"prologs", RADV_DEBUG_DUMP_PROLOGS},
63                                                           {"nodma", RADV_DEBUG_NO_DMA_BLIT},
64                                                           {"epilogs", RADV_DEBUG_DUMP_EPILOGS},
65                                                           {"nofmask", RADV_DEBUG_NO_FMASK},
66                                                           {"shadowregs", RADV_DEBUG_SHADOW_REGS},
67                                                           {"extra_md", RADV_DEBUG_EXTRA_MD},
68                                                           {"nogpl", RADV_DEBUG_NO_GPL},
69                                                           {"videoarraypath", RADV_DEBUG_VIDEO_ARRAY_PATH},
70                                                           {"nort", RADV_DEBUG_NO_RT},
71                                                           {"nomeshshader", RADV_DEBUG_NO_MESH_SHADER},
72                                                           {"nongg_gs", RADV_DEBUG_NO_NGG_GS},
73                                                           {"noeso", RADV_DEBUG_NO_ESO},
74                                                           {"psocachestats", RADV_DEBUG_PSO_CACHE_STATS},
75                                                           {NULL, 0}};
76 
77 const char *
radv_get_debug_option_name(int id)78 radv_get_debug_option_name(int id)
79 {
80    assert(id < ARRAY_SIZE(radv_debug_options) - 1);
81    return radv_debug_options[id].string;
82 }
83 
84 static const struct debug_control radv_perftest_options[] = {{"localbos", RADV_PERFTEST_LOCAL_BOS},
85                                                              {"dccmsaa", RADV_PERFTEST_DCC_MSAA},
86                                                              {"bolist", RADV_PERFTEST_BO_LIST},
87                                                              {"cswave32", RADV_PERFTEST_CS_WAVE_32},
88                                                              {"pswave32", RADV_PERFTEST_PS_WAVE_32},
89                                                              {"gewave32", RADV_PERFTEST_GE_WAVE_32},
90                                                              {"nosam", RADV_PERFTEST_NO_SAM},
91                                                              {"sam", RADV_PERFTEST_SAM},
92                                                              {"nggc", RADV_PERFTEST_NGGC},
93                                                              {"emulate_rt", RADV_PERFTEST_EMULATE_RT},
94                                                              {"rtwave64", RADV_PERFTEST_RT_WAVE_64},
95                                                              {"video_decode", RADV_PERFTEST_VIDEO_DECODE},
96                                                              {"dmashaders", RADV_PERFTEST_DMA_SHADERS},
97                                                              {"transfer_queue", RADV_PERFTEST_TRANSFER_QUEUE},
98                                                              {"nircache", RADV_PERFTEST_NIR_CACHE},
99                                                              {"rtwave32", RADV_PERFTEST_RT_WAVE_32},
100                                                              {"video_encode", RADV_PERFTEST_VIDEO_ENCODE},
101                                                              {NULL, 0}};
102 
103 const char *
radv_get_perftest_option_name(int id)104 radv_get_perftest_option_name(int id)
105 {
106    assert(id < ARRAY_SIZE(radv_perftest_options) - 1);
107    return radv_perftest_options[id].string;
108 }
109 
110 static const struct debug_control trace_options[] = {
111    {"rgp", RADV_TRACE_MODE_RGP},
112    {"rra", RADV_TRACE_MODE_RRA},
113    {"ctxroll", RADV_TRACE_MODE_CTX_ROLLS},
114    {NULL, 0},
115 };
116 
117 // clang-format off
118 static const driOptionDescription radv_dri_options[] = {
119    DRI_CONF_SECTION_PERFORMANCE
120       DRI_CONF_ADAPTIVE_SYNC(true)
121       DRI_CONF_VK_X11_OVERRIDE_MIN_IMAGE_COUNT(0)
122       DRI_CONF_VK_X11_STRICT_IMAGE_COUNT(false)
123       DRI_CONF_VK_X11_ENSURE_MIN_IMAGE_COUNT(false)
124       DRI_CONF_VK_KHR_PRESENT_WAIT(false)
125       DRI_CONF_VK_XWAYLAND_WAIT_READY(false)
126       DRI_CONF_RADV_REPORT_LLVM9_VERSION_STRING(false)
127       DRI_CONF_RADV_ENABLE_MRT_OUTPUT_NAN_FIXUP(false)
128       DRI_CONF_RADV_DISABLE_SHRINK_IMAGE_STORE(false)
129       DRI_CONF_RADV_NO_DYNAMIC_BOUNDS(false)
130       DRI_CONF_RADV_OVERRIDE_UNIFORM_OFFSET_ALIGNMENT(0)
131       DRI_CONF_RADV_CLEAR_LDS(false)
132       DRI_CONF_RADV_DISABLE_NGG_GS(false)
133    DRI_CONF_SECTION_END
134 
135    DRI_CONF_SECTION_DEBUG
136       DRI_CONF_OVERRIDE_VRAM_SIZE()
137       DRI_CONF_VK_WSI_FORCE_BGRA8_UNORM_FIRST(false)
138       DRI_CONF_VK_WSI_FORCE_SWAPCHAIN_TO_CURRENT_EXTENT(false)
139       DRI_CONF_VK_X11_IGNORE_SUBOPTIMAL(false)
140       DRI_CONF_VK_REQUIRE_ETC2(false)
141       DRI_CONF_VK_REQUIRE_ASTC(false)
142       DRI_CONF_RADV_ZERO_VRAM(false)
143       DRI_CONF_RADV_INVARIANT_GEOM(false)
144       DRI_CONF_RADV_SPLIT_FMA(false)
145       DRI_CONF_RADV_DISABLE_TC_COMPAT_HTILE_GENERAL(false)
146       DRI_CONF_RADV_DISABLE_DCC(false)
147       DRI_CONF_RADV_DISABLE_ANISO_SINGLE_LEVEL(false)
148       DRI_CONF_RADV_DISABLE_TRUNC_COORD(false)
149       DRI_CONF_RADV_DISABLE_SINKING_LOAD_INPUT_FS(false)
150       DRI_CONF_RADV_DISABLE_DEPTH_STORAGE(false)
151       DRI_CONF_RADV_DGC(false)
152       DRI_CONF_RADV_FLUSH_BEFORE_QUERY_COPY(false)
153       DRI_CONF_RADV_ENABLE_UNIFIED_HEAP_ON_APU(false)
154       DRI_CONF_RADV_TEX_NON_UNIFORM(false)
155       DRI_CONF_RADV_FLUSH_BEFORE_TIMESTAMP_WRITE(false)
156       DRI_CONF_RADV_RT_WAVE64(false)
157       DRI_CONF_RADV_LEGACY_SPARSE_BINDING(false)
158       DRI_CONF_RADV_FORCE_PSTATE_PEAK_GFX11_DGPU(false)
159       DRI_CONF_DUAL_COLOR_BLEND_BY_LOCATION(false)
160       DRI_CONF_RADV_OVERRIDE_GRAPHICS_SHADER_VERSION(0)
161       DRI_CONF_RADV_OVERRIDE_COMPUTE_SHADER_VERSION(0)
162       DRI_CONF_RADV_OVERRIDE_RAY_TRACING_SHADER_VERSION(0)
163       DRI_CONF_RADV_SSBO_NON_UNIFORM(false)
164       DRI_CONF_RADV_APP_LAYER()
165    DRI_CONF_SECTION_END
166 };
167 // clang-format on
168 
169 static void
radv_init_dri_options(struct radv_instance * instance)170 radv_init_dri_options(struct radv_instance *instance)
171 {
172    driParseOptionInfo(&instance->drirc.available_options, radv_dri_options, ARRAY_SIZE(radv_dri_options));
173    driParseConfigFiles(&instance->drirc.options, &instance->drirc.available_options, 0, "radv", NULL, NULL,
174                        instance->vk.app_info.app_name, instance->vk.app_info.app_version,
175                        instance->vk.app_info.engine_name, instance->vk.app_info.engine_version);
176 
177    instance->drirc.enable_mrt_output_nan_fixup =
178       driQueryOptionb(&instance->drirc.options, "radv_enable_mrt_output_nan_fixup");
179 
180    instance->drirc.disable_shrink_image_store =
181       driQueryOptionb(&instance->drirc.options, "radv_disable_shrink_image_store");
182 
183    instance->drirc.disable_tc_compat_htile_in_general =
184       driQueryOptionb(&instance->drirc.options, "radv_disable_tc_compat_htile_general");
185 
186    if (driQueryOptionb(&instance->drirc.options, "radv_no_dynamic_bounds"))
187       instance->debug_flags |= RADV_DEBUG_NO_DYNAMIC_BOUNDS;
188 
189    if (driQueryOptionb(&instance->drirc.options, "radv_invariant_geom"))
190       instance->debug_flags |= RADV_DEBUG_INVARIANT_GEOM;
191 
192    if (driQueryOptionb(&instance->drirc.options, "radv_split_fma"))
193       instance->debug_flags |= RADV_DEBUG_SPLIT_FMA;
194 
195    if (driQueryOptionb(&instance->drirc.options, "radv_disable_dcc"))
196       instance->debug_flags |= RADV_DEBUG_NO_DCC;
197 
198    if (driQueryOptionb(&instance->drirc.options, "radv_disable_ngg_gs"))
199       instance->debug_flags |= RADV_DEBUG_NO_NGG_GS;
200 
201    instance->drirc.clear_lds = driQueryOptionb(&instance->drirc.options, "radv_clear_lds");
202 
203    instance->drirc.zero_vram = driQueryOptionb(&instance->drirc.options, "radv_zero_vram");
204 
205    instance->drirc.disable_aniso_single_level =
206       driQueryOptionb(&instance->drirc.options, "radv_disable_aniso_single_level");
207 
208    instance->drirc.disable_trunc_coord = driQueryOptionb(&instance->drirc.options, "radv_disable_trunc_coord");
209 
210    instance->drirc.disable_sinking_load_input_fs =
211       driQueryOptionb(&instance->drirc.options, "radv_disable_sinking_load_input_fs");
212 
213    instance->drirc.disable_depth_storage = driQueryOptionb(&instance->drirc.options, "radv_disable_depth_storage");
214 
215    instance->drirc.flush_before_query_copy = driQueryOptionb(&instance->drirc.options, "radv_flush_before_query_copy");
216 
217    instance->drirc.enable_unified_heap_on_apu =
218       driQueryOptionb(&instance->drirc.options, "radv_enable_unified_heap_on_apu");
219 
220    instance->drirc.tex_non_uniform = driQueryOptionb(&instance->drirc.options, "radv_tex_non_uniform");
221 
222    instance->drirc.ssbo_non_uniform = driQueryOptionb(&instance->drirc.options, "radv_ssbo_non_uniform");
223 
224    instance->drirc.app_layer = driQueryOptionstr(&instance->drirc.options, "radv_app_layer");
225 
226    instance->drirc.flush_before_timestamp_write =
227       driQueryOptionb(&instance->drirc.options, "radv_flush_before_timestamp_write");
228 
229    instance->drirc.force_rt_wave64 = driQueryOptionb(&instance->drirc.options, "radv_rt_wave64");
230 
231    instance->drirc.dual_color_blend_by_location =
232       driQueryOptionb(&instance->drirc.options, "dual_color_blend_by_location");
233 
234    instance->drirc.legacy_sparse_binding = driQueryOptionb(&instance->drirc.options, "radv_legacy_sparse_binding");
235 
236    instance->drirc.force_pstate_peak_gfx11_dgpu =
237       driQueryOptionb(&instance->drirc.options, "radv_force_pstate_peak_gfx11_dgpu");
238 
239    instance->drirc.override_graphics_shader_version =
240       driQueryOptioni(&instance->drirc.options, "radv_override_graphics_shader_version");
241    instance->drirc.override_compute_shader_version =
242       driQueryOptioni(&instance->drirc.options, "radv_override_compute_shader_version");
243    instance->drirc.override_ray_tracing_shader_version =
244       driQueryOptioni(&instance->drirc.options, "radv_override_ray_tracing_shader_version");
245 
246    instance->drirc.enable_dgc = driQueryOptionb(&instance->drirc.options, "radv_dgc");
247 
248    instance->drirc.override_vram_size = driQueryOptioni(&instance->drirc.options, "override_vram_size");
249 
250    instance->drirc.enable_khr_present_wait = driQueryOptionb(&instance->drirc.options, "vk_khr_present_wait");
251 
252    instance->drirc.override_uniform_offset_alignment =
253       driQueryOptioni(&instance->drirc.options, "radv_override_uniform_offset_alignment");
254 
255    instance->drirc.report_llvm9_version_string =
256       driQueryOptionb(&instance->drirc.options, "radv_report_llvm9_version_string");
257 
258    instance->drirc.vk_require_etc2 = driQueryOptionb(&instance->drirc.options, "vk_require_etc2");
259    instance->drirc.vk_require_astc = driQueryOptionb(&instance->drirc.options, "vk_require_astc");
260 }
261 
262 static const struct vk_instance_extension_table radv_instance_extensions_supported = {
263    .KHR_device_group_creation = true,
264    .KHR_external_fence_capabilities = true,
265    .KHR_external_memory_capabilities = true,
266    .KHR_external_semaphore_capabilities = true,
267    .KHR_get_physical_device_properties2 = true,
268    .EXT_debug_report = true,
269    .EXT_debug_utils = true,
270 
271 #ifdef RADV_USE_WSI_PLATFORM
272    .KHR_get_surface_capabilities2 = true,
273    .KHR_surface = true,
274    .KHR_surface_protected_capabilities = true,
275    .EXT_surface_maintenance1 = true,
276    .EXT_swapchain_colorspace = true,
277 #endif
278 #ifdef VK_USE_PLATFORM_WAYLAND_KHR
279    .KHR_wayland_surface = true,
280 #endif
281 #ifdef VK_USE_PLATFORM_XCB_KHR
282    .KHR_xcb_surface = true,
283 #endif
284 #ifdef VK_USE_PLATFORM_XLIB_KHR
285    .KHR_xlib_surface = true,
286 #endif
287 #ifdef VK_USE_PLATFORM_XLIB_XRANDR_EXT
288    .EXT_acquire_xlib_display = true,
289 #endif
290 #ifdef VK_USE_PLATFORM_DISPLAY_KHR
291    .KHR_display = true,
292    .KHR_get_display_properties2 = true,
293    .EXT_direct_mode_display = true,
294    .EXT_display_surface_counter = true,
295    .EXT_acquire_drm_display = true,
296 #endif
297 #ifndef VK_USE_PLATFORM_WIN32_KHR
298    .EXT_headless_surface = true,
299 #endif
300 };
301 
302 static void
radv_handle_legacy_sqtt_trigger(struct vk_instance * instance)303 radv_handle_legacy_sqtt_trigger(struct vk_instance *instance)
304 {
305    char *trigger_file = secure_getenv("RADV_THREAD_TRACE_TRIGGER");
306    if (trigger_file) {
307       instance->trace_trigger_file = trigger_file;
308       instance->trace_mode |= RADV_TRACE_MODE_RGP;
309       fprintf(stderr, "WARNING: RADV_THREAD_TRACE_TRIGGER is deprecated, please use MESA_VK_TRACE_TRIGGER instead.\n");
310    }
311 }
312 
313 static enum radeon_ctx_pstate
radv_parse_pstate(const char * str)314 radv_parse_pstate(const char* str)
315 {
316    if (!strcmp(str, "peak")) {
317       return RADEON_CTX_PSTATE_PEAK;
318    } else if (!strcmp(str, "standard")) {
319       return RADEON_CTX_PSTATE_STANDARD;
320    } else if (!strcmp(str, "min_sclk")) {
321       return RADEON_CTX_PSTATE_MIN_SCLK;
322    } else if (!strcmp(str, "min_mclk")) {
323       return RADEON_CTX_PSTATE_MIN_MCLK;
324    } else {
325       return RADEON_CTX_PSTATE_NONE;
326    }
327 }
328 
329 VKAPI_ATTR VkResult VKAPI_CALL
radv_CreateInstance(const VkInstanceCreateInfo * pCreateInfo,const VkAllocationCallbacks * pAllocator,VkInstance * pInstance)330 radv_CreateInstance(const VkInstanceCreateInfo *pCreateInfo, const VkAllocationCallbacks *pAllocator,
331                     VkInstance *pInstance)
332 {
333    struct radv_instance *instance;
334    VkResult result;
335 
336    if (!pAllocator)
337       pAllocator = vk_default_allocator();
338 
339    instance = vk_zalloc(pAllocator, sizeof(*instance), 8, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
340    if (!instance)
341       return vk_error(NULL, VK_ERROR_OUT_OF_HOST_MEMORY);
342 
343    struct vk_instance_dispatch_table dispatch_table;
344    vk_instance_dispatch_table_from_entrypoints(&dispatch_table, &radv_instance_entrypoints, true);
345    vk_instance_dispatch_table_from_entrypoints(&dispatch_table, &wsi_instance_entrypoints, false);
346 
347    result =
348       vk_instance_init(&instance->vk, &radv_instance_extensions_supported, &dispatch_table, pCreateInfo, pAllocator);
349    if (result != VK_SUCCESS) {
350       vk_free(pAllocator, instance);
351       return vk_error(NULL, result);
352    }
353 
354    vk_instance_add_driver_trace_modes(&instance->vk, trace_options);
355    radv_handle_legacy_sqtt_trigger(&instance->vk);
356 
357    simple_mtx_init(&instance->shader_dump_mtx, mtx_plain);
358 
359    instance->debug_flags = parse_debug_string(getenv("RADV_DEBUG"), radv_debug_options);
360    instance->perftest_flags = parse_debug_string(getenv("RADV_PERFTEST"), radv_perftest_options);
361    instance->profile_pstate = radv_parse_pstate(debug_get_option("RADV_PROFILE_PSTATE", "peak"));
362 
363    /* When RADV_FORCE_FAMILY is set, the driver creates a null
364     * device that allows to test the compiler without having an
365     * AMDGPU instance.
366     */
367    if (getenv("RADV_FORCE_FAMILY"))
368       instance->vk.physical_devices.enumerate = create_null_physical_device;
369    else
370       instance->vk.physical_devices.try_create_for_drm = create_drm_physical_device;
371 
372    instance->vk.physical_devices.destroy = radv_physical_device_destroy;
373 
374    if (instance->debug_flags & RADV_DEBUG_STARTUP)
375       fprintf(stderr, "radv: info: Created an instance.\n");
376 
377    VG(VALGRIND_CREATE_MEMPOOL(instance, 0, false));
378 
379    radv_init_dri_options(instance);
380 
381    *pInstance = radv_instance_to_handle(instance);
382 
383    return VK_SUCCESS;
384 }
385 
386 VKAPI_ATTR void VKAPI_CALL
radv_DestroyInstance(VkInstance _instance,const VkAllocationCallbacks * pAllocator)387 radv_DestroyInstance(VkInstance _instance, const VkAllocationCallbacks *pAllocator)
388 {
389    VK_FROM_HANDLE(radv_instance, instance, _instance);
390 
391    if (!instance)
392       return;
393 
394    VG(VALGRIND_DESTROY_MEMPOOL(instance));
395 
396    simple_mtx_destroy(&instance->shader_dump_mtx);
397 
398    driDestroyOptionCache(&instance->drirc.options);
399    driDestroyOptionInfo(&instance->drirc.available_options);
400 
401    vk_instance_finish(&instance->vk);
402    vk_free(&instance->vk.alloc, instance);
403 }
404 
405 VKAPI_ATTR VkResult VKAPI_CALL
radv_EnumerateInstanceExtensionProperties(const char * pLayerName,uint32_t * pPropertyCount,VkExtensionProperties * pProperties)406 radv_EnumerateInstanceExtensionProperties(const char *pLayerName, uint32_t *pPropertyCount,
407                                           VkExtensionProperties *pProperties)
408 {
409    if (pLayerName)
410       return vk_error(NULL, VK_ERROR_LAYER_NOT_PRESENT);
411 
412    return vk_enumerate_instance_extension_properties(&radv_instance_extensions_supported, pPropertyCount, pProperties);
413 }
414 
415 VKAPI_ATTR VkResult VKAPI_CALL
radv_EnumerateInstanceVersion(uint32_t * pApiVersion)416 radv_EnumerateInstanceVersion(uint32_t *pApiVersion)
417 {
418    *pApiVersion = RADV_API_VERSION;
419    return VK_SUCCESS;
420 }
421 
422 VKAPI_ATTR VkResult VKAPI_CALL
radv_EnumerateInstanceLayerProperties(uint32_t * pPropertyCount,VkLayerProperties * pProperties)423 radv_EnumerateInstanceLayerProperties(uint32_t *pPropertyCount, VkLayerProperties *pProperties)
424 {
425    if (pProperties == NULL) {
426       *pPropertyCount = 0;
427       return VK_SUCCESS;
428    }
429 
430    /* None supported at this time */
431    return vk_error(NULL, VK_ERROR_LAYER_NOT_PRESENT);
432 }
433 
434 VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL
radv_GetInstanceProcAddr(VkInstance _instance,const char * pName)435 radv_GetInstanceProcAddr(VkInstance _instance, const char *pName)
436 {
437    VK_FROM_HANDLE(vk_instance, instance, _instance);
438    return vk_instance_get_proc_addr(instance, &radv_instance_entrypoints, pName);
439 }
440 
441 /* Windows will use a dll definition file to avoid build errors. */
442 #ifdef _WIN32
443 #undef PUBLIC
444 #define PUBLIC
445 #endif
446 
447 /* The loader wants us to expose a second GetInstanceProcAddr function
448  * to work around certain LD_PRELOAD issues seen in apps.
449  */
450 PUBLIC
451 VKAPI_ATTR PFN_vkVoidFunction VKAPI_CALL
vk_icdGetInstanceProcAddr(VkInstance instance,const char * pName)452 vk_icdGetInstanceProcAddr(VkInstance instance, const char *pName)
453 {
454    return radv_GetInstanceProcAddr(instance, pName);
455 }
456